Cybersecurity Conferences in Japan

The Open Compliance Summit 2025 brings together experts and decision-makers who are deeply engaged in open source compliance, licensing, and security. Hosted by the Linux Foundation, this exclusive event provides a platform where compliance professionals, legal advisors, and security leaders can collaborate on best practices for open source governance. By focusing on critical areas such as licensing obligations, export control issues, and security considerations, the summit creates a space where attendees can gain insights that directly impact organizational resilience and trust in the open source ecosystem.

This summit stands out as a key meeting point for those shaping compliance processes within global development and supply chains. Attendees benefit not only from formal sessions but also from peer-to-peer exchanges, where practical experiences and challenges are openly shared. With its invite-only structure, the event ensures that discussions remain highly focused and relevant to the professionals who are actively advancing open source compliance and security standards worldwide. It is a rare opportunity for the community to align on strategies that strengthen the foundation of modern digital infrastructure.

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OpenSearchCon 2025 in Japan is a community-driven event that brings together developers, administrators, and technology leaders who rely on open-source tools for search, observability, and security. This one-day gathering is designed to showcase practical use cases, innovative applications, and hands-on strategies for leveraging OpenSearch within modern organizations. Attendees will gain insight into how real companies are applying these technologies to solve complex data and security challenges, while also networking with peers who share the same technical interests.

The event emphasizes collaboration and knowledge-sharing, making it an excellent opportunity for participants to learn directly from experts who actively contribute to the platform. By being co-located with the Open Source Summit Japan, OpenSearchCon extends its reach to a broader audience of IT professionals while still maintaining a strong focus on the search and security ecosystem. This balance makes it valuable for both seasoned practitioners and newcomers who want to explore how open-source solutions can enhance cybersecurity and data management strategies.

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SECCON is the largest CTF competition in Japan. We hold an in-person event called "Dennoh Kaigi" (電脳会議) alongside with SECCON CTF Final competition every year. Many workshops, presentations, and mini CTFs are gathered in Dennoh Kaigi. "Open Conference" is a presentations track of Dennoh Kaigi.

At last year's SECCON Open Conference 13, various presentations were made, including on attack methods against browser extensions, the development of attack detection technology for connected cars using machine learning, and experiences taking on OSINT CTF.

We are inviting proposals for presentations via a Call for Presentations. We're looking for presentations about technological research or tool around Cyber Security. We are also looking for any difficulty proposals and it is not needed that you have previous speaker experience. :)

[ Event Information ]

• Date : 28th Feburary 2026 and 1st March 2026
• Venue : HULIC ASAKUSABASHI bld., 1-22-16 Asakusabashi, Taito-ku, Tokyo
• After-party : 1st March 2026 at HULIC HALL & CONFERENCE

[ Application Period ]

• Application due date : 16th January 2026, 23:59 JST.
• Notification : 26th January 2026

Submissions before the following dates will receive the result and comments earlier than the final due. You are welcomed to refine and re-submit your proposal while the CFP opened.

• 1st period : 17th October 2025, 23:59 JST. ( Notification : 27th October 2025 )
• 2nd period : 21th November 2025, 23:59 JST. ( Notification : 1st December 2025 )

[ Requirement ]

• It can be anything related to information security. Presentations accepted by other conferences are welcome.
• We accept proposals in English or Japanese.
• Presentation time is 20 minutes or 50 minutes. Please choose a time when submitting.
• We accept presentations about new tools, but we don't accept it if it is related to sales approach.
• Must be posted by the original author.
• We urge you to submit your proposal early before the CFP closes since we will close it prior to the final due date if enough quality proposals are received to fill the slots.
• This conference is operated in accordance with SECCON 14 Code of Conduct. https://www.seccon.jp/14/seccon/code-of-conduct.htm

If you have any questions, please feel free ask to cfp14@seccon.jp !

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The Open Source Summit Japan 2025 will be a pivotal gathering for the open-source community, where developers, security experts, and industry leaders converge to shape the future of technology. Open-source software, with its collaborative nature, is increasingly central to both innovation and cybersecurity. At the heart of the summit is the evolving role of open-source solutions in securing digital infrastructures.

As cyber threats become more sophisticated, the open-source community plays a crucial role in providing transparent, accessible tools for enhancing cybersecurity. The summit will explore how open-source projects contribute to building resilient systems, from cryptographic libraries to secure communication protocols. Participants will delve into best practices for securing open-source codebases, identifying vulnerabilities, and fostering a culture of security awareness within the open-source ecosystem.

Discussions will also highlight the challenges and opportunities in managing security at scale, especially in large, distributed open-source projects. As the world shifts toward greater digital interconnectivity, the summit will address the future of secure software development, the importance of timely patching, and how the open-source community is responding to emerging threats like supply chain attacks and zero-day exploits. With collaboration at its core, Open Source Summit North America 2025 is set to provide a comprehensive, forward-looking dialogue on how open-source solutions can lead the way in cybersecurity advancements.

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The Open Source Summit Japan 2025 is set to be a premier gathering for developers, technology leaders, and open-source enthusiasts in Japan. Taking place in the heart of Japan's tech landscape, the summit will focus on the latest trends, innovations, and developments in the open-source community. Attendees will have the chance to connect with industry professionals, share knowledge, and explore emerging technologies that are shaping the future of software development. As open-source projects continue to drive the digital transformation of industries, the event will offer valuable insights for those eager to contribute to and learn from global initiatives.

Throughout the summit, participants will experience a variety of sessions, including technical talks, panel discussions, and hands-on workshops. These sessions will cover a range of topics from cloud computing and security to DevOps and automation. Whether you are a beginner or an experienced developer, Open Source Summit Japan 2025 offers something for everyone. With expert speakers from leading companies and open-source foundations, this event will be an excellent opportunity for networking, professional growth, and gaining the latest knowledge to stay ahead in the rapidly evolving tech landscape.

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